Technical Values: Overview

WARNING: This page is about a different variant/trim than selected.

Location	Description	Type	Basic value	Tolerance 2
Screw, M4 8.8		Tightening torque	3 Nm (2 ftlb.)
Screw, M4 10.9		Tightening torque	4 Nm (3 ftlb.)
Screw, M4 12.9		Tightening torque	5 Nm (3.5 ftlb.)
Screw, M5 8.8		Tightening torque	6 Nm (4.5 ftlb.)
Screw, M5 10.9		Tightening torque	(6 ftlb.) Nm
Screw, M5 12.9		Tightening torque	10 Nm (7.5 ftlb.)
Screw, M6 8.8		Tightening torque	10 Nm (7.5 ftlb.)
Screw, M6 10.9		Tightening torque	13 Nm (9.5 ftlb.)
Screw, M6 12.9		Tightening torque	16 Nm (12 ftlb.)
Screw, M8 8.8		Tightening torque	23 Nm (17 ftlb.)
Screw, M8 10.9		Tightening torque	33 Nm (24 ftlb.)
Screw, M8 12.9		Tightening torque	39 Nm (29 ftlb.)
Screw, M10 8.8		Tightening torque	45 Nm (33 ftlb.)
Screw, M10 10.9		Tightening torque	65 Nm (48 ftlb.)
Screw, M10 12.9		Tightening torque	80 Nm (59 ftlb.)
Screw, M10 x 1.25 8.8		Tightening torque	50 Nm (37 ftlb.)
Screw, M10 x 1.25 10.9		Tightening torque	70 Nm (52 ftlb.)
Screw, M10 x 1.25 12.9		Tightening torque	85 Nm (63 ftlb.)
Screw, M12 8.8		Tightening torque	80 Nm (59 ftlb.)
Screw, M12 10.9		Tightening torque	115 Nm (85 ftlb.)
Screw, M12 12.9		Tightening torque	135 Nm (100 ftlb.)
Screw, M12 x 1.25 8.8		Tightening torque	90 Nm (67 ftlb.)
Screw, M12 x 1.25 10.9		Tightening torque	125 Nm (93 ftlb.)
Screw, M12 x 1.25 12.9		Tightening torque	150 Nm (111 ftlb.)
Screw, M12 x 1.5 8.8		Tightening torque	85 Nm (63 ftlb.)
Screw, M12 x 1.5 10.9		Tightening torque	120 Nm (89 ftlb.)
Screw, M12 x 1.5 12.9		Tightening torque	145 Nm (107 ftlb.)
Screw, M14 8.8		Tightening torque	130 Nm (96 ftlb.)
Screw, M14 10.9		Tightening torque	180 Nm (133 ftlb.)
Screw, M14 12.9		Tightening torque	220 Nm (163 ftlb.)
Screw, M16 8.8		Tightening torque	200 Nm (148 ftlb.)
Screw, M16 10.9		Tightening torque	280 Nm (207 ftlb.)
Screw, M16 12.9		Tightening torque	335 Nm (248 ftlb.)
Aluminium screw, M6	AL9	Initial tightening	4 Nm (3 ftlb.)
Aluminium screw, M6	AL9	Final tightening	90°
Aluminium screw, M8	AL9	Initial tightening	10 Nm (7.5 ftlb.)
Aluminium screw, M8	AL9	Final tightening	90°
Aluminium screw, M10	AL9	Initial tightening	20 Nm (15 ftlb.)
Aluminium screw, M10	AL9	Final tightening	90°
Fastening screw for retainer plate		Tightening torque	20 Nm (15 ftlb.)
Fastening screw for engine support		Tightening torque	40 Nm (30 ftlb.)
Fastening screw for heat shield		Tightening torque	10 Nm (7.5 ftlb.)
Fastening screw for engine mount		Tightening torque	90 Nm (67 ftlb.) + 90°
Fastening screw for retainer plate		Tightening torque	55 Nm (41 ftlb.)
Fastening screw for joint flange	Replace, screw in as far as it will go by hand	Tightening torque	9 Nm (6.5 ftlb.)
Fastening screw for drive plate/crankshaft	Replace	Initial tightening	60 Nm (44 ftlb.)
Fastening screw for drive plate/crankshaft	Replace	Final tightening	+ 90°
Fastening screw for tensioning device	Replace	Initial tightening	8 Nm (6 ftlb.)
Fastening screw for tensioning device		Final tightening	+ 90 (67 ftlb.) °
Fastening screw for pulley	Screw 8.8/replace	Initial tightening	150 Nm (111 ftlb.)
Fastening screw for pulley	Screw 8.8	Final tightening	+ 90 (67 ftlb.) °
Fastening screw for pulley	Screw 10.9/replace	Initial tightening	100 Nm (74 ftlb.)
Fastening screw for pulley	Screw 10.9	Final tightening	+ 180 (133 ftlb.) °
Fastening screw for auxiliary unit holder		Initial tightening	20 Nm (15 ftlb.)
Fastening screw for auxiliary unit holder		Final tightening	+ 90 (67 ftlb.) °
Fastening screw for air-conditioning compressor		Tightening torque	25 Nm (19 ftlb.)
Fastening screw for mounting saddle	Replace	Initial tightening	65 Nm (48 ftlb.)
Fastening screw for mounting saddle		Final tightening	+ 90°
Fastening screw for sensor wheel	Replace	Initial tightening	10 Nm (7.5 ftlb.)
Fastening screw for sensor wheel		Final tightening	+ 90°
Fastening screw for mounting saddle	At the sides, replace	Initial tightening	20 Nm (15 ftlb.)
Fastening screws for mounting saddle	At the sides	Final tightening	+ 90°
Fastening screw for mounting saddle		Initial tightening	65 Nm (48 ftlb.)
Fastening screw for mounting saddle		Final tightening	+ 90°
Fastening screw for mounting saddle		Initial tightening	20 Nm (15 ftlb.)
Fastening screw for mounting saddle		Final tightening	+ 90 Nm (67 ftlb.)
Fastening screw for balance shaft	replacing	Initial tightening torque	4 Nm (3 ftlb.)
Fastening screw for balance shaft		Final tightening torque	+ 45°
Fastening screw for balance shaft	replacing	Initial tightening torque	4 Nm (3 ftlb.)
Fastening screw for balance shaft		Final tightening) torque	+ 45°
Connecting-rod mount	Replace/coat thread and contact surfaces with oil	Initial tightening	45 Nm (33 ftlb.)
Connecting-rod mount	Replace/coat thread and contact surfaces with oil	Final tightening	+ 90°
Pressure relief valve		Tightening torque	27 Nm (20 ftlb.)
Fastening screw securing solenoid hydraulic valve for camshaft control	Replace	Initial tightening	4 Nm (3 ftlb.)
Fastening screw securing solenoid hydraulic valve for camshaft control		Final tightening	+ 45°
Fastening screw for chain housing cover, upper		Tightening torque	9 Nm (6.5 ftlb.)
Fastening screw for chain housing cover, lower		Initial tightening	8 Nm (6 ftlb.)
Fastening screw for chain housing cover, lower		Final tightening	+ 45°
Fastening screw securing guide for oil dipstick		Tightening torque	9 Nm (6.5 ftlb.)
Fastening screw for chain housing cover		Tightening torque	8 Nm (6 ftlb.)
Fastening screw for chain housing cover		Tightening torque	+ 45°
Fastening screw for chain tensioner		Initial tightening	4 Nm (3 ftlb.)
Fastening screw for chain tensioner		Final tightening	+ 90°
Guide pin		Tightening torque	20 Nm (15 ftlb.)
Fastening screw for bearing saddle	Replace	Initial tightening	4 Nm (3 ftlb.)
Fastening screw for bearing saddle		Final tightening	+ 180°
Control valves		Tightening torque	35 Nm (26 ftlb.)
Guide pin for guide rail		Tightening torque	20 Nm (15 ftlb.)
Control value A/B minimum		control value (minimum)	74 mm
control value A/B maximum		control value (maximum)	77 mm
Control value B/C minimum		control value (minimum)	124 mm
control value B/C maximum		control value (maximum)	127 mm
Guide pin for tensioning rail		Tightening torque	20 Nm (15 ftlb.)
Guide pin for guide rail		Tightening torque	20 Nm (15 ftlb.)
Chain tensioner		Tightening torque	85 Nm (63 ftlb.)
Guide pin for guide rail		Tightening torque	20 Nm (15 ftlb.)
Fastening screw for intermediate gear		Initial tightening	10 Nm (7.5 ftlb.)
Fastening screw for intermediate gear		Final tightening)	25 Nm (19 ftlb.)
Fastening screw for intermediate gear		Torque angle	+ 90°
Fastening screw for heat shield		Tightening torque	9 Nm (6.5 ftlb.)
Fastening screw for heat shield		Tightening torque	9 Nm (6.5 ftlb.)
Fastening screw for adapter		Tightening torque	9 Nm (6.5 ftlb.)
Fastening screw for adapter		Tightening torque	9 Nm (6.5 ftlb.)
Fastening screw for engine suspension eyelet		Initial tightening	8 Nm (6 ftlb.)
Fastening screw for engine suspension eyelet		Final tightening	+ 90°
Fastening screw for engine suspension eyelet		Initial tightening	8 Nm (6 ftlb.)
Fastening screw for engine suspension eyelet		Final tightening	+ 90°
Cylinder head screw	12.9	Initial tightening	50 Nm (37 ftlb.)
Cylinder head screw	1st turn	Final tightening	+ 90°
Cylinder head screw	2nd turn	Final tightening	+ 90°
Cylinder head screw (arrows)		Initial tightening	4 Nm (3 ftlb.)
Cylinder head screw (arrows)		Final tightening	+90°
Fastening screw on cylinder head cover	Observe specified sequence	Initial tightening	8 Nm (6 ftlb.)
Fastening screw on cylinder head cover	Observe specified sequence	Final tightening	+ 90°
Fastening screw for solenoid hydraulic valve for valve lift adjustment		Tightening torque	5 Nm (3.5 ftlb.)
Ball pin for engine cover		Tightening torque	9 Nm (6.5 ftlb.)
Fastening screw for hall sender on outlet side		Tightening torque	10 Nm (7.5 ftlb.)
Fastening screw for oil separator	Observe specified sequence	Tightening torque	9 Nm (6.5 ftlb.)
Fastening screw for hall sender on intake side		Tightening torque	9 Nm (6.5 ftlb.)
Fastening screw on holder		Tightening torque	9 Nm (6.5 ftlb.)
Fastening screw for oil separator		Tightening torque	9 Nm (6.5 ftlb.)
Fastening nut for oil level sensor		Tightening torque	9 Nm (6.5 ftlb.)
Fastening screw for lower part of oil pan		Initial tightening	8 Nm (6 ftlb.)
Fastening screw for lower part of oil pan		Final tightening	+ 90°
Fastening screw for intake pipe		Initial tightening	4 Nm (3 ftlb.)
Fastening screw for intake pipe		Final tightening	+ 45°
Fastening screw for pressure regulating valve		Initial tightening	4 Nm (3 ftlb.)
Fastening screw for pressure regulating valve		Final tightening)	+ 90°
Fastening screw for chain tensioner		Tightening torque	9 Nm (6.5 ftlb.)
Fastening screw for upper part of oil pan		Tightening torque	8 Nm (6 ftlb.)
Fastening screw for oil return pipe		Initial tightening	4 Nm (3 ftlb.)
Fastening screw for oil return pipe		Final tightening	+ 45°
Fastening screw for oil pump		Initial tightening	8 Nm (6 ftlb.)
Fastening screw for oil pump		Final tightening	+ 90°
Fastening screw for oil plate		Initial tightening	4 Nm (3 ftlb.)
Fastening screw for oil plate		Final tightening	+ 45°
Oil drain plug		Tightening torque	30 Nm (22 ftlb.)
Fastening screw for lower part of oil pan		Tightening torque	8 Nm (6 ftlb.)
Fastening screw for lower part of oil pan		Final tightening	+ 90°
Fastening screw for upper part of oil pan		Contact force	8 Nm (6 ftlb.)
Fastening screw for upper part of oil pan		Final tightening	+ 180°
Fastening screw for upper part of oil pan		Final tightening	+ 45°
Fastening screw for upper part of oil pan		Final tightening	+ 180°
Fastening screw for upper part of oil pan		Final tightening	+ 90°
Fastening screw for oil coder		Initial tightening	8 Nm (6 ftlb.)
Fastening screw for oil cooler		Final tightening	+ 45°
Fastening screw securing hose to oil separator		Tightening torque	4 Nm (3 ftlb.)
Fastening screw for oil separator		Tightening torque	9 Nm (6.5 ftlb.)
Oil-filter housing		Tightening torque	+ 25 Nm (19 ftlb.)
Fastening screw for oil cooler bracket		Initial tightening	20 Nm (15 ftlb.)
Fastening screw for oil cooler bracket		Final tightening	+ 90°
Fastening screw for pressure regulating valve		Initial tightening	4 Nm (3 ftlb.)
Fastening screw for pressure regulating valve		Final tightening	+ 90°
Fastening screw securing control valve for piston cooling nozzles		Initial tightening	4 Nm (3 ftlb.)
Fastening screw securing control valve for piston cooling nozzles		Final tightening	45°
Oil pressure switch		Tightening torque	20 Nm (15 ftlb.)
Oil pressure switch for reduced oil pressure		Tightening torque	20 Nm (15 ftlb.)
Oil pressure switch		Tightening torque	20 Nm (15 ftlb.)
Fastening screw for actuator		Tightening torque	9 Nm (6.5 ftlb.)
Fastening screw for coolant pump		Tightening torque	9 Nm (6.5 ftlb.)
Fastening screw for cover for toothed belt		Tightening torque	9 Nm (6.5 ftlb.)
Fastening screw for toothed - belt drive wheel		Initial tightening	10 Nm (7.5 ftlb.)
Fastening screw for toothed - belt drive wheel		Final tightening	+ 90°
screw for coolant temperature sensor		Tightening torque	9 Nm (6.6 ftlb.)
Screw securing coolant line holder to vacuum pump		Tightening torque	9 Nm (6.5 ftlb.)
Screw securing coolant line to intake-air distributor		Tightening torque	9 Nm (6.5 ftlb.)
Screws on coolant pipe holder		Tightening torque	8 Nm (6 ftlb.)
Screws securing left coolant pipe (engine) to intake-air distributor	Item 6	Tightening torque	6 Nm (4.5 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Left coolant pipe (engine)
Screw for right coolant pipe (engine) adaptor	Item 8	Tightening torque	9 Nm (6.5 ftlb.)	-<
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Right coolant pipe (engine)
Screw securing right coolant pipe (engine) to top of cylinder head	Item 7	Tightening torque	20 Nm (15 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Right coolant pipe (engine)
Screw securing right coolant pipe (engine) to bottom of cylinder head	Item 6	Tightening torque	20 Nm (15 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Right coolant pipe (engine)
Screw for rear coolant pipe (engine)	Item 2	Tightening torque	9 Nm (6.5 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Coolant pipe to cylinder head				9
Screw for coolant line flange	Item 4	Tightening torque	9 Nm (6.5 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Vacuum lines
Screws for holder	Item 2	Tightening torque	9 Nm (6.5 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Vacuum lines
Screw for coolant line flange	Item 7	Tightening torque	9 Nm (6.5 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Vacuum lines
Fastening screw for control unit		Tightening torque	2.5 Nm (1.75 ftlb.)
Fastening screw for electric fan		Tightening torque	5 Nm (3.5 ftlb.)
Fastening screw for radiator		Tightening torque	3.5 Nm (2.5 ftlb.)
Fastening screw for radiator bracket		Tightening torque	5.5 Nm (4 ftlb.)
Fastening screw for electric fan		Tightening torque	5 Nm (3.5 ftlb.)
Coolant reservoir to body	Screw	Tightening torque	8 Nm (6 ftlb.)

Information

The tightening steps in the tightening sequences relate to tightening screws uniformly, i.e. all affected screws must first be tightened uniformly to the first torque value, then all screws are tightened one stage further, and so on.
Replace all O-rings following removal!

Information

Aluminium screws
Screws tightened to angle of rotation.
Screws tightened using the yield-point-controlled method.
Screws that are micro-self-locking
Screws that are damaged or severely corroded.

The torques specified in the table below generally apply to screws that are not specifically listed →

The bolt quality is indicated on the screw head at the top as a decimal number, e.g. "8.8" or "12.9".

Bolt quality 8.8		Bolt quality 10.9		Bolt quality 12.9
Thread	[Nm (ftlb.)]	Thread	[Nm (ftlb.)]	Thread	[Nm (ftlb.)]
M4	> Tightening - torque 3 Nm (2 ftlb.)	M4	> Tightening - torque 4 Nm (3 ftlb.)	M4	> Tightening - torque 5 Nm (3.5 ftlb.)
M5	> Tightening - torque 6 Nm (4.5 ftlb.)	M5	> Tightening - torque 8 Nm (6 ftlb.)	M5	> Tightening - torque 10 Nm (7.5 ftlb.)
M6	> Tightening - torque 10 Nm (7.5 ftlb.)	M6	> Tightening - torque 13 Nm (9.5 ftlb.)	M6	> Tightening - torque 16 Nm (12 ftlb.)
M8	> Tightening - torque 23 Nm (17 ftlb.)	M8	> Tightening - torque 33 Nm (24 ftlb.)	M8	> Tightening - torque 39 Nm (29 ftlb.)
M10	> Tightening - torque 45 Nm (33 ftlb.)	M10	> Tightening - torque 65 Nm (48 ftlb.)	M10	> Tightening - torque 80 Nm (59 ftlb.)
M10 x 1.25	> Tightening - torque 50 Nm (37 ftlb.)	M10 x 1.25	> Tightening - torque 70 Nm (52 ftlb.)	M10 x 1.25	> Tightening - torque 85 Nm (63 ftlb.)
M12	> Tightening - torque 80 Nm (59 ftlb.)	M12	> Tightening - torque 115 Nm (85 ftlb.)	M12	> Tightening - torque 135 Nm (100 ftlb.)
M12 x 1.25	> Tightening - torque 90 Nm (67 ftlb.)	M12 x 1.25	> Tightening - torque 125 Nm (93 ftlb.)	M12 x 1.25	> Tightening - torque 150 Nm (111 ftlb.)
M12 x 1.5	> Tightening - torque 85 Nm (63 ftlb.)	M12 x 1.5	> Tightening - torque 120 Nm (89 ftlb.)	M12 x 1.5	> Tightening - torque 145 Nm (107 ftlb.)
M14	> Tightening - torque 130 Nm (96 ftlb.)	M14	> Tightening - torque 180 Nm (133 ftlb.)	M14	> Tightening - torque 220 Nm (163 ftlb.)
M16	> Tightening - torque 200 Nm (148 ftlb.)	M16	> Tightening - torque 280 Nm (207 ftlb.)	M16	> Tightening - torque 335 Nm (248 ftlb.)